function showPopUp( popUpPage, urlarguments, windowArguments, windowName, width, height, posX, posY ) {
   if (windowName == "") windowName = "popDialog";
   var posXString = "";
   if (posX >= 0) posXString = ',left='+posX+',screenX='+posX;
   var posYString = "";
   if (posY >= 0) posYString = ',top='+posY+',screenY='+posY;
   if (urlarguments != "") popUpPage = popUpPage+'?'+urlarguments
   detail = window.open(popUpPage,windowName,'width='+width+',height='+height+','+windowArguments+posXString+posYString);
   detail.focus()
}